CL2019002999A1 - Means to increase the molecular weight and decrease the density of ethylene interpolymers using homogeneous and heterogeneous catalyst formulations. - Google Patents

Means to increase the molecular weight and decrease the density of ethylene interpolymers using homogeneous and heterogeneous catalyst formulations.

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Publication number
CL2019002999A1
CL2019002999A1 CL2019002999A CL2019002999A CL2019002999A1 CL 2019002999 A1 CL2019002999 A1 CL 2019002999A1 CL 2019002999 A CL2019002999 A CL 2019002999A CL 2019002999 A CL2019002999 A CL 2019002999A CL 2019002999 A1 CL2019002999 A1 CL 2019002999A1
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CL
Chile
Prior art keywords
reactor
ethylene interpolymer
homogeneous
density
molecular weight
Prior art date
Application number
CL2019002999A
Other languages
Spanish (es)
Inventor
Peter Zoricak
Qinyan Wang
Xiaochuan Wang
Fazle Sibtain
Christopher Dobbin
Kenneth Taylor
Hamidreza Khakdaman
Brian Molloy
Asseldonk Lawrence Van
Zengrong Zhang
Niousha Kazemi
Stephen Salomons
Monika Kleczek
Mehdi Keshtkar
Charles Carter
Original Assignee
Nova Chem Int Sa
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Publication date
Application filed by Nova Chem Int Sa filed Critical Nova Chem Int Sa
Publication of CL2019002999A1 publication Critical patent/CL2019002999A1/en

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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
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    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
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    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
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    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
    • C08F4/652—Pretreating with metals or metal-containing compounds
    • C08F4/655—Pretreating with metals or metal-containing compounds with aluminium or compounds thereof
    • C08F4/6555—Pretreating with metals or metal-containing compounds with aluminium or compounds thereof and magnesium or compounds thereof
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    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65904—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with another component of C08F4/64
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    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
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    • C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
    • C08F2410/01—Additive used together with the catalyst, excluding compounds containing Al or B
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    • C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
    • C08F2410/05—Transitioning, i.e. transition from one catalyst to another with use of a deactivating agent
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    • C08F2420/00—Metallocene catalysts
    • C08F2420/01—Cp or analog bridged to a non-Cp X neutral donor
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    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/02—Low molecular weight, e.g. <100,000 Da.
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/03—Narrow molecular weight distribution, i.e. Mw/Mn < 3
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    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/05—Bimodal or multimodal molecular weight distribution
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    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/06—Comonomer distribution, e.g. normal, reverse or narrow
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    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/09—Long chain branches
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    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
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    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/12—Melt flow index or melt flow ratio
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    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/17—Viscosity
    • C—CHEMISTRY; METALLURGY
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    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
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    • C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
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    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
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    • C08F4/65908—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an ionising compound other than alumoxane, e.g. (C6F5)4B-X+
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    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
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    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • C08F4/65927—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually bridged
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    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene
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    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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    • C08L2314/00—Polymer mixtures characterised by way of preparation
    • C08L2314/06—Metallocene or single site catalysts

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  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
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Abstract

SE DIVULGA UN PROCESO DE POLIMERIZACIÓN DE SOLUCIÓN CONTINUA CARACTERIZADO PORQUE SE EMPLEAN AL MENOS DOS FORMULACIONES CATALIZADORAS. SE EMPLEA UNA PRIMERA FORMULACIÓN CATALIZADORA HOMOGÉNEA EN UN PRIMER REACTOR PARA PRODUCIR UN PRIMER INTERPOLÍMERO DE ETILENO Y SE EMPLEA UNA PRIMERA FORMULACIÓN CATALIZADORA HETEROGÉNEA EN UN SEGUNDO REACTOR PARA PRODUCIR UN SEGUNDO INTERPOLÍMERO DE ETILENO. OPCIONALMENTE, SE FORMA UN TERCER INTERPOLÍMERO DE ETILENO EN UN TERCER REACTOR. LOS PRODUCTOS DE INTERPOLÍMERO DE ETILENO RESULTANTES POSEEN PROPIEDADES DESEABLES EN VARIAS APLICACIONES DE USO FINAL, POR EJEMPLO, EN APLICACIONES DE PELÍCULA. SE DIVULGA UN MEDIO PARA AUMENTAR EL PESO MOLECULAR DEL PRIMER INTERPOLÍMERO DE ETILENO Y/O UN MEDIO PARA AUMENTAR LA TEMPERATURA DEL PRIMER REACTOR, EN RELACIÓN CON UNA TERCERA FORMULACIÓN CATALIZADORA HOMOGÉNEA. SE DIVULGA UN MEDIO PARA REDUCIR LA PROPORCIÓN DE PESO (a-OLEFINA/ETILENO) EN EL PRIMER REACTOR Y/O PARA REDUCIR LA DENSIDAD DEL PRIMER INTERPOLÍMERO DE ETILENO EN RELACIÓN CON UNA TERCERA FORMULACIÓN CATALIZADORA HOMOGÉNEA.A CONTINUOUS SOLUTION POLYMERIZATION PROCESS IS DISCLOSED, CHARACTERIZED BECAUSE AT LEAST TWO CATALYST FORMULATIONS ARE USED. A FIRST HOMOGENEOUS CATALYST FORMULATION IS USED IN A FIRST REACTOR TO PRODUCE A FIRST ETHYLENE INTERPOLYMER AND A FIRST HETEROGENEOUS CATALYST FORMULATION IS USED IN A SECOND REACTOR TO PRODUCE A SECOND ETHYLENE INTERPOLYMER. OPTIONALLY, A THIRD ETHYLENE INTERPOLYMER IS FORMED IN A THIRD REACTOR. THE RESULTING ETHYLENE INTERPOLYMER PRODUCTS HAVE DESIRABLE PROPERTIES IN SEVERAL END-USE APPLICATIONS, FOR EXAMPLE IN FILM APPLICATIONS. A MEANS OF INCREASING THE MOLECULAR WEIGHT OF THE FIRST ETHYLENE INTERPOLYMER AND / OR A MEANS OF INCREASING THE TEMPERATURE OF THE FIRST REACTOR, IN RELATION TO A THIRD HOMOGENEOUS CATALYST FORMULATION, IS DISCLOSED. A MEANS ARE DISCLOSED TO REDUCE THE WEIGHT RATIO (a-OLEFIN / ETHYLENE) IN THE FIRST REACTOR AND / OR TO REDUCE THE DENSITY OF THE FIRST ETHYLENE INTERPOLYMER IN RELATION TO A THIRD HOMOGENEOUS CATALYST FORMULATION.

CL2019002999A 2017-04-19 2019-10-18 Means to increase the molecular weight and decrease the density of ethylene interpolymers using homogeneous and heterogeneous catalyst formulations. CL2019002999A1 (en)

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